"Cryptodifflugia operculata" . _:b75922066 "GBIF id" . . _:b75922066 . . . "Cryptodifflugia operculata Page, 1966" . . . "921232" . "10991309" . "Cryptodifflugia operculata" . . _:b75922066 "10991309" . "Page, 1966" . . _:b75922066 . _:b75922066 .